EECOM Section, Lunar Module Systems Branch, Flight Control Division
Mission Manager, Flight Operations Branch, Aircraft Operations Division
Manager, Guidance and Control Systems Section, Guidance and Propulsion Systems Branch, Systems Division
Manager, Communications Section, Communications and Data Systems Branch, Systems Division
Chief, Communications and Data Systems Branch, Systems Division
Chief, Safety Division, Safety, Reliability, and Quality Assurance Office
Manager, Shuttle Probabilities Risk Assessment Project, Space Shuttle Program Integration Office
Chair, Mishap Investigation Team
Head, Columbia Recovery Office
Chief, Safety, Reliability, and Quality Assurance Office (2004-2005)
